as they considered whether jodi arias should face life in prison -- or get the death penalty for her murder conviction. catherine heenan is here with the latest. >> catherine: it's the final chapter in the murder case. after being convicted of the first degree murder of her former boyfriend - jodi arias had one more verdict to face. and it's a question of life or death. today she heard a brother and sister of travis alexander make an impassioned plea that air- ree-as be executed for stabbing him to death in 2008. travis was one of 8 siblings. after losing both their parents - the family says it was travis who everyone leaned on. and one of his brothers described how much the murder has affected his life. >> is even invaded my dreams. i have nightmares about someone coming after me with a knife and going after my wife and daughter. when i wake up, i cannot establish what is really what is a dream. i have gone to the house searching through rooms shaking my family to make sure the croquet. why him? unfortunately, i want to get answers to most of my questions about my brother's death. q